HOP-IN: Outdoor Time and Gut Microbiome in Early Childhood

Status: Current

Grant Start: 09/01/2019

Grant End: 08/31/2024

This award expands the health outcome data that will be collected in Health Outcomes in Preschool: Innovations for Obesity Prevention (HOP-IN) to include gut microbiome data, and covers all costs associated with specimen collection and storage.


  • Tiny Trees

Funding Sponsors

  • Private - George B. Storer Foundation

Communities Involved

  • Historically marginalized communities

Study Locations

  • Washington

Study Type

  • Observational study
  • Cohort study
  • Community based participatory research

Study Characteristics

  • Ages 0-18

Principal Investigator(s)

Team Member(s)

Heath Research Initiatives

  • Urban

Focus Areas

  • Child development
  • Climate change and health
  • Health disparities
  • Mental health
  • Stress